Windows 11引入了一项称为动态刷新速率 (DRR) 的新功能，该功能会根据你当时执行的操作自动调整刷新率。 这可以帮助你获得两全其美：当你需要游戏、浏览或墨迹书写时获得流畅的体验，当你不执行这些类型操作时，电池使用时间更长。

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.

We’re continually releasing updates to our application, based on customer feedback. Check out What's New in the latest updates for Skype on desktop and mobile.

Examples To view your System Information, type: msinfo32 To create an .nfo file in the folder C:\Temp with a name of Test.nfo, type:. msinfo32 /nfo C:\TEMP\TEST.NFO To create a .txt file in the folder C:\Temp with a name of Test.txt, type:. msinfo32 /report C:\TEMP\TEST.TXT To view System Information from a remote computer with a UNC name of BIGSERVER, type:

Узнайте, как установить последнюю версию драйвера для принтера. Если вы недавно обновили Windows, вам может потребоваться переустановить драйвер принтера.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.